* LumenBright 3 Reflector Revolutionary brand new design from CoralVue. LumenBrite III reflectors are made from mirror finish German Aluminum with 95% reflection rate. Octagonal Design with total of 25 Optical plains for maximum reflection rate. Up to 16% more efficient than any other similar designed reflector on the market. Dimensions: 19 3/4" x 19 3/4" x 9" H